You can link your Facebook account with your Jawaker account by following the steps below:
1. From the main menu, click on the Settings icon.
2. From the “Account” settings, click on “Link” located next to the Facebook tab.
3. Click on "Link" ,and follow the steps shown on the screen. 
The account will be linked to the Facebook account that was logged into the Facebook application.
 
Note: If you have another account already linked to your Facebook account. You will see a warning message to avoid losing your main account. It is important that the account is not lost, that you do not link Facebook to a new account.